99412051 has 2 divisors, whose sum is σ = 99412052. Its totient is φ = 99412050.

The previous prime is 99412043. The next prime is 99412063. The reversal of 99412051 is 15021499.

It is a weak prime.

It is an emirp because it is prime and its reverse (15021499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99412051 - 2³ = 99412043 is a prime.

It is a pancake number, because a pancake can be divided into 99412051 parts by 14100 straight cuts.

It is not a weakly prime, because it can be changed into another prime (99412031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49706025 + 49706026.

It is an arithmetic number, because the mean of its divisors is an integer number (49706026).

Almost surely, 2^99412051 is an apocalyptic number.

99412051 is a deficient number, since it is larger than the sum of its proper divisors (1).

99412051 is an equidigital number, since it uses as much as digits as its factorization.

99412051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 99412051 is about 9970.5592120001. The cubic root of 99412051 is about 463.2474222072.

The spelling of 99412051 in words is "ninety-nine million, four hundred twelve thousand, fifty-one".